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Topics
Pre-Algebra
Mean
Mode
Greatest Common Factor
Least Common Multiple
Order of Operations
Fractions
Mixed Fractions
Prime Factorization
Exponents
Radicals
Algebra
Combine Like Terms
Solve for a Variable
Factor
Expand
Evaluate Fractions
Linear Equations
Quadratic Equations
Inequalities
Systems of Equations
Matrices
Trigonometry
Simplify
Evaluate
Graphs
Solve Equations
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Evaluate
-\frac{23}{10}=-2.3
−
1
0
2
3
=
−
2
.
3
View solution steps
Solution Steps
1 \frac{ 1 }{ 2 } -3 \frac{ 4 }{ 5 }
1
2
1
−
3
5
4
Multiply 1 and 2 to get 2.
Multiply
1
and
2
to get
2
.
\frac{2+1}{2}-\frac{3\times 5+4}{5}
2
2
+
1
−
5
3
×
5
+
4
Add 2 and 1 to get 3.
Add
2
and
1
to get
3
.
\frac{3}{2}-\frac{3\times 5+4}{5}
2
3
−
5
3
×
5
+
4
Multiply 3 and 5 to get 15.
Multiply
3
and
5
to get
1
5
.
\frac{3}{2}-\frac{15+4}{5}
2
3
−
5
1
5
+
4
Add 15 and 4 to get 19.
Add
1
5
and
4
to get
1
9
.
\frac{3}{2}-\frac{19}{5}
2
3
−
5
1
9
Least common multiple of 2 and 5 is 10. Convert \frac{3}{2} and \frac{19}{5} to fractions with denominator 10.
Least common multiple of
2
and
5
is
1
0
. Convert
2
3
and
5
1
9
to fractions with denominator
1
0
.
\frac{15}{10}-\frac{38}{10}
1
0
1
5
−
1
0
3
8
Since \frac{15}{10} and \frac{38}{10} have the same denominator, subtract them by subtracting their numerators.
Since
1
0
1
5
and
1
0
3
8
have the same denominator, subtract them by subtracting their numerators.
\frac{15-38}{10}
1
0
1
5
−
3
8
Subtract 38 from 15 to get -23.
Subtract
3
8
from
1
5
to get
−
2
3
.
-\frac{23}{10}
−
1
0
2
3
Factor
\frac{{(-1)} \cdot 23}{2 \cdot 5} = -2.3
2
⋅
5
(
−
1
)
⋅
2
3
=
−
2
.
3
Quiz
Arithmetic
5 problems similar to:
1 \frac{ 1 }{ 2 } -3 \frac{ 4 }{ 5 }
1
2
1
−
3
5
4
Similar Problems from Web Search
How do you simplify \displaystyle{1}\frac{{1}}{{2}}-{2}\frac{{4}}{{5}} ?
How do you simplify
1
2
1
−
2
5
4
?
https://socratic.org/questions/how-do-you-simplify-1-1-2-2-4-5
\displaystyle{\left(-\frac{{13}}{{10}}\right.} Explanation: \displaystyle{1}\frac{{1}}{{2}}-{2}\frac{{4}}{{5}} \displaystyle\therefore=\frac{{3}}{{2}}-\frac{{14}}{{5}} \displaystyle\therefore=\frac{{{15}-{28}}}{{10}} ...
(
−
1
0
1
3
Explanation:
1
2
1
−
2
5
4
∴
=
2
3
−
5
1
4
∴
=
1
0
1
5
−
2
8
...
11/12-3/4
1
1
/
1
2
−
3
/
4
http://www.tiger-algebra.com/drill/11/12-3/4/
11/12-3/4 Final result : 1 — = 0.16667 6 Step by step solution : Step 1 : 3 Simplify — 4 Equation at the end of step 1 : 11 3 —— - — 12 4 Step 2 : 11 Simplify —— 12 Equation at the end of step ...
11/12-3/4 Final result : 1 — = 0.16667 6 Step by step solution : Step 1 : 3 Simplify — 4 Equation at the end of step 1 : 11 3 —— - — 12 4 Step 2 : 11 Simplify —— 12 Equation at the end of step ...
11/12-3/8
1
1
/
1
2
−
3
/
8
https://www.tiger-algebra.com/drill/11/12-3/8/
11/12-3/8 Final result : 13 —— = 0.54167 24 Step by step solution : Step 1 : 3 Simplify — 8 Equation at the end of step 1 : 11 3 —— - — 12 8 Step 2 : 11 Simplify —— 12 Equation at the end of ...
11/12-3/8 Final result : 13 —— = 0.54167 24 Step by step solution : Step 1 : 3 Simplify — 8 Equation at the end of step 1 : 11 3 —— - — 12 8 Step 2 : 11 Simplify —— 12 Equation at the end of ...
(11/12)-(4/9)
(
1
1
/
1
2
)
−
(
4
/
9
)
https://www.tiger-algebra.com/drill/(11/12)-(4/9)/
(11/12)-(4/9) Final result : 17 —— = 0.47222 36 Step by step solution : Step 1 : 4 Simplify — 9 Equation at the end of step 1 : 11 4 —— - — 12 9 Step 2 : 11 Simplify —— 12 Equation at the end ...
(11/12)-(4/9) Final result : 17 —— = 0.47222 36 Step by step solution : Step 1 : 4 Simplify — 9 Equation at the end of step 1 : 11 4 —— - — 12 9 Step 2 : 11 Simplify —— 12 Equation at the end ...
11/2-3/2
1
1
/
2
−
3
/
2
https://www.tiger-algebra.com/drill/11/2-3/2/
11/2-3/2 Final result : 4 Step by step solution : Step 1 : 3 Simplify — 2 Equation at the end of step 1 : 11 3 —— - — 2 2 Step 2 : 11 Simplify —— 2 Equation at the end of step 2 : 11 3 —— - ...
11/2-3/2 Final result : 4 Step by step solution : Step 1 : 3 Simplify — 2 Equation at the end of step 1 : 11 3 —— - — 2 2 Step 2 : 11 Simplify —— 2 Equation at the end of step 2 : 11 3 —— - ...
11/24-3/8
1
1
/
2
4
−
3
/
8
https://www.tiger-algebra.com/drill/11/24-3/8/
11/24-3/8 Final result : 1 —— = 0.08333 12 Step by step solution : Step 1 : 3 Simplify — 8 Equation at the end of step 1 : 11 3 —— - — 24 8 Step 2 : 11 Simplify —— 24 Equation at the end of ...
11/24-3/8 Final result : 1 —— = 0.08333 12 Step by step solution : Step 1 : 3 Simplify — 8 Equation at the end of step 1 : 11 3 —— - — 24 8 Step 2 : 11 Simplify —— 24 Equation at the end of ...
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\frac{2+1}{2}-\frac{3\times 5+4}{5}
Multiply 1 and 2 to get 2.
\frac{3}{2}-\frac{3\times 5+4}{5}
Add 2 and 1 to get 3.
\frac{3}{2}-\frac{15+4}{5}
Multiply 3 and 5 to get 15.
\frac{3}{2}-\frac{19}{5}
Add 15 and 4 to get 19.
\frac{15}{10}-\frac{38}{10}
Least common multiple of 2 and 5 is 10. Convert \frac{3}{2} and \frac{19}{5} to fractions with denominator 10.
\frac{15-38}{10}
Since \frac{15}{10} and \frac{38}{10} have the same denominator, subtract them by subtracting their numerators.
-\frac{23}{10}
Subtract 38 from 15 to get -23.
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